A Zero Decibel Sound Level

question 52

Multiple Choice

A zero decibel sound level

• A)has zero amplitude.
• B)is nonsense.
• C)is just at the threshold of hearing.
• D)none of the above

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Definitions:

Cytoplasm

The gel-like substance inside a cell that surrounds the nucleus and is where most cellular activities occur.

Substantia Nigra

A region of the brain that plays an important role in reward, addiction, and movement; known for its high concentration of dopamine-producing neurons.

Red Nucleus

A structure in the brainstem involved in motor coordination and the control of limb movements.

Globus Pallidus

A subcortical structure of the brain involved in the regulation of voluntary movement.